Home / 131,661.09-181,817.79-124,488.29

Finding the Fourth Proportional to 131,661.09, 181,817.79 and 124,488.29

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Solution

The fourth proportional to 131,661.09, 181,817.79 and 124,488.29 is: 171,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,661.09 : 181,817.79 = 124,488.29 : x
  2. Step 2: Convert to fraction form
    131,661.09/181,817.79 = 124,488.29/x
  3. Step 3: Cross multiply
    131,661.09x = 181,817.79 × 124,488.29
  4. Step 4: Simplify right side
    131,661.09x = 22,634,185,908.04
  5. Step 5: Solve for x
    x = 22,634,185,908.04/131,661.09
  6. Step 6: Final answer
    x = 171,912.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.